US897908A - Sprinkler-head for automatic fire-extinguishers. - Google Patents

Description

No. 897,908. PATENTED SEPT. s, 1908.

-v. LAPHAM. SPRINKLER HEAD FOR AUTOMATIC FIRE EXTINGUISHERS.

APPLICATION I'ILED SEPT. 2, 1899.

I deflector whereby there shall be a full and valve cap is arranged the collapsible strut.

' construct this yoke as of the proposed methods contemplated the than three inches from the ceilingor joist or impossible to installs sprinkler system hav- I municating with the distributing pi .v .s rmkle-r system. and is normally closed by new [and useful Sprin VALENTINE LAPHAM, or cnIcAeo, ILLINOIS.

srnrnrrLnn-Irsnn FOR AUTOMATIC rmn-nxrmeulsnnns.

' Application filed September 2, 1899. Serial No. 793358.

To all whomit may concern:

Be it known that I, VALENTINE LAPHAM, a resident of Chicago, in the county of Cook and State of Illinois, have invented a certain ler-Head for Automatic Fire-Extinguishers, oi which the fol. lowing is a specification. 1

My invention relates to sprinkler heads for automatic iire sprinkler systems, and its ch ject is to produce a novel, ellicient and sensitive sprinkler head which shall be yokeles s; and provided with an internally anchoreduninterrupted lateral distribution of the Vilnter.

. The present Well known type of sprinkler head has a yoke between whose apex and the The arms of this yoke obviously obstruct the free distribution of the ,water and heretofore it has been proposed by various ways to' so that it should present the least interference to the water, but none discar'dimf of the entire yoke. Another and great "jdjection to the yoke with its conse uentnelght, is that it prevents the location of the distributing pipes of the sprinkler sys-' tem' near the ceiling or joist. .The specifications of the board of underwriters re uire specification of Letters Patent.

and within the hollow cap,

' lugs or projections 9,

'OP'POSIlIB grooves which spring therein,

that the deflectors shall belocated not 0 oser farther than ten inches. The measurements are all reckoned from the deflector. By the use of my sprinkler head, the pipesmay be located at least two inches nearer to the ceiling or joist than heretofore, which is a matter I of paramount importance where'it would be ing the usual form of sprinkler head, as in low basements, stairways, and rooms generally having low ceilings.

In the accompanying drawings, Figure l is an elevation of my sprinkler head; Fig. 2, a section. on line 2 ol" Fig. 1; Fig. 3, an eleva-- tion of the nozzle alone; Fig. 4, a section on line 4 of Fig. 2; Fig. 5, an elevation of the vcollasible devices; Fig. 6, an elevation of the c eflector removed; Fig. 7, a'plan of the collapsible link and Immediate parts of the levers.

The nozzle 1 has the usual passage 2 com- 2 es or the i t 1e usual valve cap 3, jr ireierably h Patented. Se t. 8,,19os.

slightly projecting flan ed and also provided with a gasket 5 of bloc tin, copper, or other suitable material, represented by the black line in Fig. 2 on the entire under surface or face of the cap. This gasket makes atight joint and prevents corroding. As shown-1n Fig. 2, the outlet end of thepassage2 is made.

of slightl greater diameter than the lower portion. t 'ereof for a purpose hereinafter ex plained.

' The preferable, though not necessary, form of deflector is illustrated in the drawings. It is anchored or being Incased by the latter and projectin preferably slightly above the top plane of-t e outlet'of the nozzle, as seen in. Fig. 3. As shown, the defiector has a cone-shaped portiongfi, which may be provided with a series of holes 7 for the distribution of Water directly above the sprinkler head. This cone maybe made in-I tegra'l with, or secured to, .a flat strip 8, which may be of the form, shown in Fig. (i wherem it is provided at its lower corners with small sliding downwards insage 2 so as to extend diametrically-across the passage. The grooves at 4 are somewhat deeper toirecei've the lugs 9 the stri 8 having-sufuntil thebottom of the grooves is reached. The nozzle has oppositely located-lugs l1 and 12 which are hook-shaped by reason of the inwardly overhanging portions or hooks 13 and 14., respectively. These lugs constitute one means whereby the collapsible de vices for holding the cap to its seat may be normally held to the nozzle.

One of the main objects of-my invention is to provide sprinkler head the water, and to th s end, as will be noticed,-

the retaining (iGVlCGS, which as shown; fare the lugs on the nozzle, are locatedsirbStam tially below the line of the water as it emergesfrom the nozzle-and is spread the ector; Furthermore, it is obvious ithatr any other form or construction of internally located' and anchored deflector -may be -em ployed and also any othersuitable meanslfor" so anchoring the deflector may be adopted.

Elie collapsible devices ing the valve cap to its sea-t comprise a substantially held in the passageway? tor normally hold=- vertical lever 15 having a projec so 10 in the walls ofthe as:- Y

the bottom 'ficient resiliency to slightly uckle or-bndwhose parts shall present no'obstruction to the;distribut'ion of .hook 22 similar to hook 16 an der hook 14- on the nozzle and also has a 1'0- JeCt-IOII 23 acting the same as kicker 17.

- bridge extends diametrically across and sired. form and above the cap and a set screw 24 having an' angular head 25 extends transversely centrally through the bridge and impinges against the central axis of the cap.

he levers 15 and 18 res ectively have hooks formed of straight rig t-angled ortions 26'and 27 extending in opposite directions through holes in the ends of a collapsible or fusible link and having upwardly extending pointsor ends 28 and 29, respec tively. lhis link may, be made of any deconstruction for the purpose designed, but "I prefer-the linksho-wnin my Patent No. 575,121, issued to me on January 12, 1897, and I have illustrated the same herein. Briefly speaking,

prises two strips or members 30 and 31 havmg openings through which extends the cap link which connects which maintains the shown in Fi or; unusual lieat, wh

are thrown free of the nozzle and the va ve is both .kicked from forced oil by the -sgrinkler head is thus entirely strippedabove f with altogether placed in position asfollows: The

vFig. 5, and the parts'are been screwed. upwards je6tl0I120-jSbIOUght to bear under shou der rocker 32, the gether by low fusible solder.

The collapsible devices are asse bled and ooks on the to ends of the levers are inserted throng the holes injhe link, as shown in cured to the nozzle. The set screw having sufiiciently, the ro 21 and the parts in this position are then inserted sidewise of the nozzle so that hooks 16 .and 22 engage under hooks 13 and 14,- re

spectively, as shown in Fig. '1. The set screw is now screwed downwards onto the and the result is a tensile strain on the the upper ends of the leis resisted' by the link parts in the 'osition 1; until it becomes fuse by fire ereupon all such arts vers. This strain place :by the levers and pressure of Water. The

e plane of its outlet and the outcomin water willbe distributed over the whole'lateral area without obstruction inasmuch as the usual and objectionable yoke dispensed and the deflector located in thepassageway, f

A's shown, the deflector is internally an- ,ohored in the enlarged portion 2 ofthe pasengaging unthis link com-' parts being suitably held to now ,readyto be sesion on the link and tendin' bridge-lprovided lever outw rds and the collapsible link sage'way and its deflector portion proper is contained within the. valve cap. ,The passageway is preferably made of somewhat larger diameter at the outlet end as before described in order to compensate for the space taken up by the deflector so that there is no liability of interference to the water or diminishing of its flow. The water thus has a full, free flow between the deflector 8 and the seat of the valve cap.

Although I have described more or' less precise orms and details of construction, I

do not intend to be understood as limiting myself thereto, as I contemplate changes in form, the proportion of parts and the substitution of equivalents as circumstances ,may

suggest orrender expedient, and without departing from the. spirit of my invention.

claim: 1. A sprinkler head comprising a'nozzle having a'water outlet, a, closure for such outlet, engaging hookson the nozzle located on opposite sides of the outlet, a substantially.-

vertical lever having a bridge secured there .to and extending laterally thereof, bearing against the closure and engaging one of said hooks at its lower end, a second substantially vertical lever engaging the other of said hooks at its lower end and bearing against the free end of said bridge and a collapsible link connectin the upper ends of said levers. 2. A sprinkler head comprising a nozzle having a wateroutlet,a closure for such outlet, and means for normallyholding such closure seated consisting of a pair of substantially vertical levers detachably engaging the nozzle at their lower ends, I one of the'levers having a bridge secured thereto and extend ing laterally across and above such closure and en a in the other lever wit-h its free 165 end, a col a sible link connecting the upper ends of the evers aiigl'a set screw extending throughthe bridge and bearing against the top of the closure, such screw exerting ten,-

bridge om engagement with the other lever. 3. A sprinkler head comprising a nozzle having a water outlet substantially at the to plane thereof, hooks on the nozzle on 'eit herside of theoutlet, a closure for such outlet, two substantially vertical levers having hook shaped lower ends engaging under the nozzlehooks, a bridge connected to one of the levers, extending laterally across and above the closure and engaging under a shoulder on the other lever intermediate of its length, a set screw in such: bifidge and bearing-against the closure, such screw tend-- bridge to an oblique, position ng'to force the and to release it from engagement with said shoulder when connecting the upper ends of the levers and tending to resist tensile strain.

4. A; sprinkler head comprising aiiozzle sol to force the 110 the head is shot oil, and a havin a water outlet substantially at the to p ns thereof, hooks on the nozzle on eit er side of the outlet, a closure for such outlet, two substantially vertical .le\ ers hav-' mg hook-shaped lower ends engaging under the nozzle hooks, a bridge connected to one of the'levers, extending laterally across gaging by the hooks on the upper ends of the .evers. 4

5. A sprinkler ad comprising a nozzle having awateroutlei. hooks 13 and 14 on the nozzle, a valve cap 3 for the outlet, a lever 18 having a hook 22 engaging hook 14, a bridge 19 connected tolever 18 and having a free end 20, a lever having a hook 16 engaging hook 13 and having a shoulder 21 a'bridge '19 connected to leverlS and having,

" the flangewhen the evers collapse,

bearing against said end 20,.'-'a set screw 24 in the bridge and bearing against the cap,

and a colla sible link connecting the upper ends of the levers.

6. A sprinkler head comprising a nozzle :having a water outlet, hooks 13 and 14 on the nozzle, a valve cap 3 for the outlet, a lever 18 having a hook-22 engaging hook 14,

a free end 20, a lever 15- having a hook 16- engaginghook 13 and having a shoulder 21 hearing against said end 20, aset screw 24 in the bridge andbearing against the cap, hooks 26 and 27 on levers 15'and 18, respectively, and a collapsible link attached to said books 26 and 27 and connecting between the upper ends of the levers.

. 7 A sprinkler head comprisinga nozzle having water out-let hooks 13 and 14 on the nozzle, a valve cap 3 for the outlet, a. lever 18 having a hook 22 engaging hook '14, a

. bridge 19 connected to lever 18 and having a free end 20, a lever 15 having a hook 16 hearing againstsaid end 20, a set screw 24 in the bridge and bearing against the cap, said cap having a flange 4, projections 17 and 23 on the inner sides of the lower ends ,of the. levers and ada ted'to engage under 7 and. a collapsible linkjconnecting the .upper ends of the levers.

8. A sprinkler head comprising a nozzle. having a water passage of" greater diameter 'nearthe outlet,'a closure for such outlet, means for "normally holding such closure seated, and-a stationary deflector secured in" such at its greater diameter and con-' of a rforated invei ted cone which .projeets slightly-above the top planeof the engaging hook 13 and having a shoulder 21 outlet and is of ;ubst antially the same diameter as the greax er diameter of such passage. 9. A sprinkler head comprising a nozzle having a water passage and outlet provided with opposite moves in the interior walls of such outlet, w h grooves extend from the mouth of the outlt" inwards, a valve ca for such outlet, means "for normally ho ding such ca seated, and a deflecting devi ce mountec inside the water assage and coinprising a flat strip exten ing diametrically across the assage and a circular disk on such strip or the lateraldeflection of the water, and catch mechanism whereby the strip may be anchored in the nozzle when forced inwards in the groove.

10. A sprinkler head comprising a nozzle having a water passage and outlet, a valve ca) for such outlet, means for normally ho ding such cap seated and a deflecting device mounted inside the water passage and comprising a flat strip extending diametrically across the passage and secured in the grooves in thefwalls of such passage, such grooves extending from the mouth of the outletlongitudina ly inwards, and an inverted conical spreader or deflector proper on the strip and having holes for the passage of water directly above the head, such deflector being arranged axially with the outlet or passage and projecting slightly above the top plane of the water outlet.

11. A sprinklerhead comprising a nozzle having a water outlet'or passage provided with opposite longitudinal grooves 10 made (lee er at the inner ends, a alve ca for suc outlet, means for normally be ding such cap seated and a deflecting device consisting of a flatlstrip extending diametrically across the passage and having pro'ections sliding in said grooves and engaged y such deeper portion I thereof, and a deflector proper on said strip and projecting slightly above the to plane of the water outlet forthe full, free ateral distribution of the water.

12. A sprinkler head comprising a nozzle having a bottom outlet, a closure for such outlet, levers pivotally" connected at their inner ends to sa1d nozzle, a cross-piece arranged between saidlevers .and'secured to one of them, a set-screw working in said cross-piece and exerting tension upon the closure'to hold it closed and upon the levers to force their outer ends apart, and a fusible link connecting the outer ends of such levers and receiving and coming the tension exerted bythe set screw upon the-levers. v VALENTINE LAPHAM. Witnesses:

.LOUISE E. BERAGE,

Harm; O. -HALVORSON.

normally over-

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